chore(main): release 6.4.0

Author: aao-ipr-bot[bot]

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "6.3.1"
+  ".": "6.4.0"
 }

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## [6.4.0](https://github.com/adcontextprotocol/adcp-client-python/compare/v6.3.1...v6.4.0) (2026-06-20)
+
+
+### Features
+
+* **server/auth:** allow_unauthenticated for network-trust deployments ([f41764e](https://github.com/adcontextprotocol/adcp-client-python/commit/f41764e2a25bc77a268c2b6519f49b64aa1e8de3))
+
 ## [6.3.1](https://github.com/adcontextprotocol/adcp-client-python/compare/v6.3.0...v6.3.1) (2026-06-18)
 
 

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "adcp"
-version = "6.3.1"
+version = "6.4.0"
 description = "Official Python client for the Ad Context Protocol (AdCP)"
 authors = [
     {name = "AdCP Community", email = "maintainers@adcontextprotocol.org"}